Engine Suggested Enhancements

This page is for modifications from a stock engine to make it stronger, better, faster and capable of pushing a big fucking heavy ass brick it wasn't intended to do.

1z/AHU

Enhancements that can be done to the 1z and AHU VW TDI Engines

ALH/BEW

Enhancements that can be done to the ALH and BEW VW TDI Engines

Oil Pump Volume Upgrade

Reference

TDIClub Upgrading to the BRM oil pump

Summary

When comparing the old BRM pump, the tooth count for the sprocket was 23 teeth compared to the ALH pump, which has 30 teeth. That equals about a 30% increase in speed for the BRM oil pump.

The actual oil pump is the same between ALH, BEW, and BRM.

Procedure

BRM Sprocket P/N: 038115121A

BRM Sprocket chain P/N: 038115130A

BRM chain tensioner P/N: 038115130

If you plan to install the windage tray P/N: 06B103623P you use

BRM Sprocket P/N: 038115121A

BRM chain tensioner P/N: 038115130

ALH chain P/N: 06A115130B

1z/AHU/ALH/BEW

Enhancements that can be done to the 1z/AHU, ALH, and BEW VW TDI Engines

Improving Oil Galley Piston Cooling

Reference

TDIClub - Improving Oil Galley Piston Cooling

BRM Oil Squirter P/N: 038103157C / 038103157B

Summary

The original pistons on all of the 1Z/ AHU/ ALH and a few of the PD motors are not galley cooled pistons. This modification helps oil keep everything cool better in the engine.